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author | Søren Sandmann Pedersen <ssp@redhat.com> | 2013-07-27 01:56:10 -0400 |
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committer | Søren Sandmann Pedersen <ssp@redhat.com> | 2013-07-29 06:21:52 -0400 |
commit | f77bc4893e2b6ea7987a3b315f5b8a2e4dad4045 (patch) | |
tree | 66101dea9020a42e48b4fba46dfc244ecc98ebb9 | |
parent | aaf3642458b49d35568207abae04f07f1f2a4d8b (diff) |
dither
-rw-r--r-- | docs/dither.txt (renamed from docs/yuv-dither.txt) | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/yuv-dither.txt b/docs/dither.txt index b47acbb9..19b3f1c7 100644 --- a/docs/yuv-dither.txt +++ b/docs/dither.txt @@ -33,7 +33,9 @@ Details: * with the HVS function once again. Convolution is associative, so this is * equivalent to filtering with the G convolved with itself. We will denote * this new filter by U = G * G. Note that U(0) = rho and that U(a) = - * U(-a) if G is symmetric. + * U(-a) if G is symmetric. FIXME: Is there an issue here with the sum + * being finite? In order to measure the error, the sum has to finite, + * but in order to convolve they have to be infinite. * * The array resulting from convolving A with U is denoted F: * |